FIONBIO           300 opal/mca/event/libevent2022/libevent/evutil.c 		if (ioctlsocket(fd, FIONBIO, &nonblocking) == SOCKET_ERROR) {
FIONBIO           100 opal/win32/opal_misc.h         case F_SETFL: mode = 1; ret = ioctlsocket ((SOCKET)fildes, FIONBIO, (u_long FAR*) &mode);